--- menutrails.module-release-6.x-1.0	2008-10-13 17:32:51.000000000 -0400
+++ menutrails.module	2009-12-21 16:49:58.000000000 -0500
@@ -127,9 +127,11 @@ function menutrails_node_location($node)
     $type_trails = variable_get('menutrails_node_types', array());
     $href = $type_trails[$node->type] ? $type_trails[$node->type] : FALSE;
     $term_trails = variable_get('menutrails_terms', array());
-    foreach ($node->taxonomy as $term) {
-      if ($term_trails[$term->tid]) {
-        $href = $term_trails[$term->tid];
+    if(module_exists("taxonomy") && is_array($node->taxonomy)) {
+      foreach ($node->taxonomy as $term) {
+        if ($term_trails[$term->tid]) {
+          $href = $term_trails[$term->tid];
+        }
       }
     }
   }
@@ -247,8 +249,6 @@ function menutrails_menutrails_settings(
   $form = array();
   $node_types = node_get_types('names');
   $node_trails = variable_get('menutrails_node_types', array());
-  $vocabs = taxonomy_get_vocabularies();
-  $term_trails = variable_get('menutrails_terms', array());
   $form['menutrails_node_types'] = array(
       '#tree' => TRUE,
       '#type' => 'fieldset',
@@ -263,23 +263,27 @@ function menutrails_menutrails_settings(
       '#options' => $options,
     );
   }
-  foreach ($vocabs as $vocab) {
-    if ($vocab->tags != 1) {
-      // tagging gets out of hand too fast, so we disallow
-      $form[$vocab->vid]['menutrails_terms'] = array(
-        '#tree' => TRUE,
-        '#type' => 'fieldset',
-        '#collapsible' => TRUE,
-        '#collapsed' => TRUE,
-        '#title' => t('Categories:') ." $vocab->name",
-      );
-      $terms = taxonomy_get_tree($vocab->vid);
-      foreach ($terms as $term) {
-         $form[$vocab->vid]['menutrails_terms'][$term->tid] = array('#type' => 'select',
-          '#title' => t('Parent item for') ." $term->name",
-          '#default_value' => $term_trails[$term->tid],
-          '#options' => $options,
+  if(module_exists("taxonomy")) {
+    $vocabs = taxonomy_get_vocabularies();
+    $term_trails = variable_get('menutrails_terms', array());
+    foreach ($vocabs as $vocab) {
+      if ($vocab->tags != 1) {
+        // tagging gets out of hand too fast, so we disallow
+        $form[$vocab->vid]['menutrails_terms'] = array(
+          '#tree' => TRUE,
+          '#type' => 'fieldset',
+          '#collapsible' => TRUE,
+          '#collapsed' => TRUE,
+          '#title' => t('Categories:') ." $vocab->name",
         );
+        $terms = taxonomy_get_tree($vocab->vid);
+        foreach ($terms as $term) {
+           $form[$vocab->vid]['menutrails_terms'][$term->tid] = array('#type' => 'select',
+            '#title' => t('Parent item for') ." $term->name",
+            '#default_value' => $term_trails[$term->tid],
+            '#options' => $options,
+          );
+        }
       }
     }
   }